Here is an particularly nice preserved trilobite of the species a Triarthrus becki from the Utica shale of New York. The trilobite is nice centered on the Matrix and comes as a split fish fossil. | |||
Location: | Indian Castle, New York, USA | ||
Size Trilobite: | about 26 mm | ||
Age: | Oberes Ordovicium, upper Caradoc, Utica shale Formation. |